No. Marijuana is one of the few drugs that isnt. Type in vasoconstrictor into wikipedia to look up the ones that are. Marijuana actually does the opposite and increase blood â¦ flow and expand the arteries.
Some of the comorbid or associated medical symptoms for Mouth numbness may include these symptoms: 1  Digestive symptoms. 2  Face symptoms. 3  Head symptoms.  Mouth 1  symptoms. Nerve symptoms. 2  Pain. Sensations.  more associated symptoms...Â».
Depending on the type of procedure you undergo, your numbness after dental treatment will vary. For something like a cavity filling, your local anesthesia should wear off within 1 to 3 hours. While the numbness dissipates, you may experience some difficulty chewing, speaking, or even smiling within that window.